Coupling device for trailers.



L. B. DOE. COUPLING DEVICE FQR'TRAILERS.

APPLICATION FILED on; 1, 1911.

1 ,294, 24:4. I Patelited Feb. 11, 1919.

- lNVENTOR H 5 22 20mm; BDoE A T TOQNE Y Specification 0? meters Eetent.

'lo'glioetlon filed Fletcher 1, 1917. Serial Ti le.

L 222?, (19255.3; COQZCEP'IL nown l, Loewe B. Don, a United fist-ates, residing 1n the ha, e inventecl certain new and Movements in Coupling Devlces Wnereof; the following 1S a ention relates to automobile treilnoro particularly to the connection lie trailer and the motor.

ing out the invention I join the and the trailer by two draft eonone near each sicle of the vehicles, fiee being of such nature that they act esclre'r't oars when the vehiio'ving straight ahead, but in ronncl. W the one on the inside of the buckle, or shorten, and. the pull ell o the other. Intermediate nit-connections, and preferably ceneliicles, 1i arrange a guide oer enses the trailer to follow and not of the motor vehicle,

This tongue bar is attached to: vehicle, but is capable of movement with respect to the 1 provide-(l ivitli e loufier spring is rearward yielding, thus pre- 6 jerks end rattle, and also serving to i e push of the trailer in going .r in sudden stops, slowing of the onipenying one sheet of draw- 11 so much re invention.

v side elevation.

I i131). View from underneath.

cross section, looking backlie line A, A, of Fig. 1.

'es:-Tl1e automobile. is clierepresentetl at 1, end the may be the axle of the e a bar applied. thereto for i Will be hereinafter indir are clips 5, each provided wertl projecting perforated 3 o l. t. is perforation is engaged; loci; on ile forward enl of the draft The rear end of the draft bar is artof Francisco, State of side to side, as might otherwise e the link 3 swings sidewise,

of an automobile 1s necessary to an nnrlertaolietl by means of esiiort linl: 'v ally extenlingj oer ii which is Rivet 11 to the r, at its on to a slotted nlr To staple 1% ett" vehicle. tin may to the ior purpose of eoj ns Connected 42, 33 clip or otherwise, is the reerworri member 16, lies e forked end; et 1? *echnient of the nirie for the convenient eta tongue 18, 6)] the pin 19, upon Winch the tongue may ow-on The tongue 18 extenrie tlie siren 2.0 on the trailer tongue 18 may by 2, real 21, arms 22 of e 1* Between beck tlironga vehicle. At'its rear enci the be conveniently terminate which passes through the bracket ettecliet the the bracket arms 21; the reel 31 with collar 2%, betwee t and the rear min is i operation, tire no parts are inrliceteo i3 chewing straight ahead, vehicles i 2: curve, iinilicetefi, for example, oottccl lines, air-oft l r 8,'npon tli sicle oi the curve, will-ineintein the po ieion indicated by foil lines oncl the Qlrei't leer noon the inner side of onrve will assume the position shown in the clottecl lines, in. which the link 13 pushes back on tire staple 1 and to rerlnce the s prov cleol ooller 2 1 legree of this motion, ftlms virtue-ll shortening the draft liar of which is part, lie the me time tire glide tongue will push oeolr i 1 like stirrer 3': and may even go so for fillet tie contests anti per-liens congresses the enslr ion spring "251', es intliceeci rlotteii lines,

Having thus (lG/S'illlbfifl my an embodiment it, in the fell, ole-er and exact terms required by le'w, know ing that it comprises novel, useful entl vein able lHlpYO Q'IIMP ts in the art iAlWlllCil it per teins, here fete that 1 do not Wish to he limited to the precise construction e115. er,-

rengeinent of the several parts, es herein set forth, the may "*ionsl modiiie by slzilleci mechanic Without from the spirit oi? the invention. Willie ole-inn encl aiesire to secure o "Letters 3%}:-

invention, and 

